/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the  "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id$
 */

package wx.xml.xalan.xalan.trace;

import java.lang.reflect.Constructor;
import java.lang.reflect.Method;

import wx.xml.xalan.xalan.transformer.TransformerImpl;

/**
 * An event representing an extension call.
 */
public class ExtensionEvent {

    public static final int DEFAULT_CONSTRUCTOR = 0;
    public static final int METHOD              = 1;
    public static final int CONSTRUCTOR         = 2;

    public final int             m_callType;
    public final TransformerImpl m_transformer;
    public final Object          m_method;
    public final Object          m_instance;
    public final Object[]        m_arguments;


    public ExtensionEvent(TransformerImpl transformer, Method method, Object instance, Object[] arguments) {
        m_transformer = transformer;
        m_method = method;
        m_instance = instance;
        m_arguments = arguments;
        m_callType = METHOD;
    }

    public ExtensionEvent(TransformerImpl transformer, Constructor constructor, Object[] arguments) {
        m_transformer = transformer;
        m_instance = null;
        m_arguments = arguments;
        m_method = constructor;
        m_callType = CONSTRUCTOR;
    }

    public ExtensionEvent(TransformerImpl transformer, Class clazz) {
        m_transformer = transformer;
        m_instance = null;
        m_arguments = null;
        m_method = clazz;
        m_callType = DEFAULT_CONSTRUCTOR;
    }

}

